201904768

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1905

約数の個数: 64

約数和(自身を含む): 439881120

約数和(自身を除く): 237976352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 536, 832, 871, 1072, 1664, 1742, 1811, 2144, 3484, 3622, 4288, 6968, 7244, 8576, 13936, 14488, 23543, 27872, 28976, 47086, 55744, 57952, 94172, 111488, 115904, 121337, 188344, 231808, 242674, 376688, 485348, 753376, 970696, 1506752, 1577381, 1941392, 3013504, 3154762, 3882784, 6309524, 7765568, 12619048, 15531136, 25238096, 50476192, 100952384, 201904768]

約数ペア:

[(1, 201904768), (2, 100952384), (4, 50476192), (8, 25238096), (13, 15531136), (16, 12619048), (26, 7765568), (32, 6309524), (52, 3882784), (64, 3154762), (67, 3013504), (104, 1941392), (128, 1577381), (134, 1506752), (208, 970696), (268, 753376), (416, 485348), (536, 376688), (832, 242674), (871, 231808), (1072, 188344), (1664, 121337), (1742, 115904), (1811, 111488), (2144, 94172), (3484, 57952), (3622, 55744), (4288, 47086), (6968, 28976), (7244, 27872), (8576, 23543), (13936, 14488)]